Re: [PATCH] can: usb_8dev: usb_8dev_start_xmit(): fix double dev_kfree_skb() in error path

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On Mon, Apr 04, 2022 at 09:25:36PM +0200, Marc Kleine-Budde wrote:
> From: Hangyu Hua <hbh25y@xxxxxxxxx>
> 
> commit 3d3925ff6433f98992685a9679613a2cc97f3ce2 upstream.
> 
> There is no need to call dev_kfree_skb() when usb_submit_urb() fails
> because can_put_echo_skb() deletes original skb and
> can_free_echo_skb() deletes the cloned skb.
> 
> Fixes: 0024d8ad1639 ("can: usb_8dev: Add support for USB2CAN interface from 8 devices")
> Link: https://lore.kernel.org/all/20220311080614.45229-1-hbh25y@xxxxxxxxx
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Hangyu Hua <hbh25y@xxxxxxxxx>
> Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
> ---
> Hello Greg, hello Sasha,
> 
> This is
> 
> | 3d3925ff6433 can: usb_8dev: usb_8dev_start_xmit(): fix double dev_kfree_skb() in error path
> 
> ported to v5.10.109.

This, and the other backport, now queued up, thanks!

greg k-h



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